Biological Classification Question 66
66. Macro and micronucleus are the characteristic feature of
(a) Paramecium and Vorticella
(b) Opelina and Nictothisus
(c) Hydra and Ballantidium
(d) Vorticella and Nictothirus
Show Answer
Answer : a
Hints & Solutions
(a) The macronucleus lacks nuclear membrane and is formed of trophochromatin. It regulates the metabolic activities of the body and it is also known as trophonucleus. The micronucleus has a definite nuclear membrane and controls the reproductive activities of Paramecium and Vorticella.
